A newspaper and magazine cost 220 together the newspaper cost 140 less than the magazine find the cost of each
1 answer:
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Answer:
Step-by-step explanation:
Because we are told equivalent expressions for y and z we can plug those in to 2(y+z).
Then simplify by combining like terms of the expressions. Values ending in x^2 can be combined with each other.
Now we can distribute the 2 by multiplying each value in the parentheses by 2.